Closed quadstrip: Munge the input, not the output

This is cleaner.

diff --git a/nt3d.js b/nt3d.js
index 623c0f1b3756940087c0bcc07f0a364891a1a532..ae17af1a01225f486e8fd1bb3cddb7d4ce2b910c 100644 (file)
--- a/nt3d.js
+++ b/nt3d.js
@@ -41,7 +41,7 @@ nt3d = {
                return result;
        },
        closed_quadstrip: function(strip) {
-               return nt3d.quadstrip(strip).concat(nt3d.quad(strip[strip.length-2], strip[strip.length-1], strip[1], strip[0]));
+               return nt3d.quadstrip(strip.concat([strip[0], strip[1]]));
        },
        sub: function(a, b) {
                return [a[0] - b[0],